The simplistic Salas low voltage shunt regulator - Page 151 - diyAudio
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Old 7th November 2009, 02:39 AM   #1501
Salas is online now Salas  Greece
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Quote:
Originally Posted by Tham View Post
Any suggestion where I should start troubleshooting?
Small transistors first.
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Old 7th November 2009, 02:47 AM   #1502
Tham is offline Tham  Malaysia
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Will do that. Thanks
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Old 7th November 2009, 02:52 AM   #1503
iko is offline iko  Canada
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Quote:
Originally Posted by Tham View Post
Salas/Iko, one of my 24v v1.5 shunt powering a dac failed last night ...both Mosfets are cold. Vin is 36v and Vout is 33v.

Any suggestion where I should start troubleshooting?
What salas said is most likely.

Can you measure the voltage at a few points and post it? Refer to the schematic that you used.
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Old 7th November 2009, 03:24 AM   #1504
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Originally Posted by stormsonic View Post
motor run cap (big cap, too much inductance).
.
I didn't think polypropylene film capacitors had a lot of inductance.
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Old 7th November 2009, 10:33 AM   #1505
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Thanh I hope ,as I want use , but big size= induttance.....
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Old 17th November 2009, 02:47 AM   #1506
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The Salas low shunt is very wonderful. I use for DAC , It is ver good!
you can see in board
! thank Salas!
Attached Images
File Type: jpg Salas-Shunt-low-T.jpg (290.1 KB, 1727 views)
File Type: jpg Salas-low-B.jpg (202.2 KB, 1568 views)
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Old 17th November 2009, 02:55 AM   #1507
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And finis
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File Type: jpg DAC-END-and-Salas-shunt-low.jpg (381.1 KB, 1550 views)
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Old 17th November 2009, 03:05 AM   #1508
iko is offline iko  Canada
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Looks nice!
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Old 17th November 2009, 03:13 AM   #1509
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Originally Posted by ikoflexer View Post
Looks nice!
I gift to you one board, You can sent for mee your Adress, and information!
thank!
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Old 17th November 2009, 10:27 AM   #1510
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OK I am definitely interested in those boards.
How about a group buy
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